U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 65/490 - Molten glass level (e.g., sensor, check valve, etc.)


Subclass of Class 65 - Glass manufacturing
Definition: Apparatus including the means to measure, control, recognize,
No. of patents: 10
Last issue date: 11/14/2006


NumberTitleIssue Date
7134300Method for controlling foam production in reduced pressure fining
A method for controlling the foam produced when a molten material encounters reduced pressure in a vacuum chamber includes passing the molten material through an aging zone in the vacuum chamber in which the molten material is allowed to drain from between the bubbl...
11/14/2006
5979191Method and apparatus for melting of glass batch materials
An apparatus for melting materials is provided comprising a melter body having a batch injection portion including a batch inlet port, a batch melting portion including a batch melting chamber adapted to receive materials from said batch injection portion...
11/09/1999
5352258Production of glass fibers from scrap glass fibers
The process and apparatus of the present invention enable the production of glass fiber product from scrap glass fibers. The process includes: feeding the scrap glass fibers having an average length up to around 12 inches to a glass melting tank having a ...
10/04/1994
4995892Process and apparatus for controlling the thermal environment of glass fiber forming
The subject matter of this invention relates to an improved method for controlling an industrial glass fiber-forming process. More particularly, it involves a method for controlling the thermal environment of several fiber glass bushing assemblies by the ...
02/26/1991
4738701Method and apparatus for forming glass fibers
A glass fiber forming assembly is described which permits rapid change of a production fiber glass bushing. The system includes a secondary bushing and means to heat it as well as a glass delivery bushing permanently connected to a forehearth. The product...
04/19/1988
4675039Method and apparatus for forming glass fibers
A feeder system for the production of glass filaments is provided with a shallow layer of molten glass over the discharge wall in combination with a flow control means adapted to regulate the depth of the layer to provide dripless and non-dripless operati...
06/23/1987
4673428Method and apparatus for forming glass fibers
A feeder for the production of glass filaments is provided with a shallow layer of glass over the discharge wall in combination with a fluid filled cavity capable of being pressure regulated to render the operation dripless or non-dripless as desired. Pre...
06/16/1987
4525188Fiber forming bushing and method for using same
The invention involves a fiber glass bushing which is provided with a plurality of tubular feed inlets, through a top cover chamber, which by means of controlled introduction of a gaseous medium allows a gaseous void to be maintained above the glass level...
06/25/1985
4158557Method and apparatus for forming fiber mat
A method and apparatus for forming a fiber mat is disclosed. The attenuation rate of the attenuator or strand advancing apparatus is varied as the attenuator traverses across the mat formation surface such that a constant rate of attenuation of glass fila...
06/19/1979
3981704Method and apparatus for processing glass
This invention embraces a method of and apparatus for processing heat-softenable fiber-forming material, such as glass, involving treatment of a surface of a feeder from which flow streams of the heat-softened glass through the establishment of an environ...
09/21/1976
 
Sign InRegister
Username  
Password   
forgot password?